* {
    padding: 0;
    margin: 0;
}
a {
    text-decoration: none;
}

a img {
    border: 0;
}
img {
    border: none;
    display: block;
    vertical-align: bottom;
}

body {
    font-size: 20px;
    background-color: #ebebeb;
}

.main {
    width: 16em;
    margin-left: auto;
    margin-right: auto;
}

.bak{
    /*文本省略号*/
    width: 11em;text-overflow:ellipsis;overflow:hidden;white-space:nowrap;
}
